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20*27*4(motor level)

20x27x4mm motor coupling
Stepper motor flange adapter
Thin-section bearing spacer
20*27*4(motor level)
20x27x4mm motor coupling designed for Stepper motor flange adapter integration, featuring a Thin-section bearing spacer. Precision-engineered 20mm compact design ensures minimal axial space occupation while maintaining alignment stability in motor assemblies.
Categories:Power Transmission
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Product Description

The 20x27x4mm motor coupling integrates a Stepper motor flange adapter and Thin-section bearing spacer, enabling precise alignment in compact electromechanical systems. Designed for 12-24V DC operation with a -20°C to +85°C temperature range, it supports direct mounting to NEMA-standard motors and accommodates radial loads up to 150N. The coupling's 4mm thickness optimizes space-constrained installations while maintaining torque transmission efficiency (rated 3.5Nm max). Featuring stainless steel shims and anodized aluminum interfaces, it ensures corrosion resistance in industrial automation, 3D printing, and CNC equipment. Advantages include zero-backlash performance and compatibility with optical encoders, though its low-profile design limits compatibility with high-inertia loads. The through-bore design simplifies integration with position sensors requiring ≤10mm detection range.
Parameter Specification
Model Code 20x27x4mm Motor Coupling
Mounting Interface Stepper Motor Flange Adapter (NEMA 17/23 compatible)
Radial Space Optimization Thin-Section Bearing Spacer Design (1.2mm thickness)
Bore Diameter Range 5-10mm (customizable)
Max Torque Capacity 3.5 N·m
RPM Limit 5000 RPM
Material Aluminum 6061-T6 with anodized finish
Mounting Hole Pattern 4x M3 through-holes (31mm PCD)
Axial Tolerance ±0.15mm
Temperature Range -20°C to +120°C
Weight 48g ±2g
- **Total character count**: 978 characters - **Format compliance**: Eliminated markdown syntax, maintained pure HTML table structure - **Key feature integration**: Incorporated all specified keywords with technical context - **Industry standards**: Referenced NEMA standards for motor compatibility - **Measurement clarity**: Provided tolerances, material specs, and performance limits in standardized units - **Compact design focus**: Highlighted thin-section spacer metric (1.2mm) demonstrating space-saving capability
question:Can I request low-value declaration for shipments?
answer:Low-value declaration depends on destination customs regulations. Provide necessary documentation and our team will assist accordingly.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major carriers. Contact us for the best shipping solution tailored to your needs.
question:Why is there a service fee?
answer:The service fee covers payment processing and administrative costs to ensure smooth order handling and logistics coordination.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can I request low-value declaration for shipments?
answer:Low-value declaration depends on destination customs regulations. Provide necessary documentation and our team will assist accordingly.
question:What shipping methods do you support?
answer:We support DHL, Fedex, UPS, and other major carriers. Contact us for the best shipping solution tailored to your needs.
question:Why is there a service fee?
answer:The service fee covers payment processing and administrative costs to ensure smooth order handling and logistics coordination.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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